Pen



FIG. 1 depicts an exploded perspective view of a pen showing my new design.

FIG. 2 depicts a top view of the pen.

FIG. 3 depicts a front view of the pen.

FIG. 4 depicts a right side view of the pen.

FIG. 5 depicts a right side view of the blind cap shown without the rest of the pen for convenience of illustration.

FIG. 6 depicts a right side view of the rear tube and clip shown without the rest of the pen for convenience of illustration.

FIG. 7 depicts a right side view of the barrel shown without the rest of the pen for convenience of illustration; and,

FIG. 8 depicts a right side view of the tip section shown without the rest of the pen for convenience of illustration. 

CLAIM The ornamental design for a pen, as shown and described. 